Skip to main content

All Questions

1 vote
1 answer
800 views

How to find the week day of (any) given date? [duplicate]

How to find the week day of any given date? Say we need to know in which week-day was June $25,2019$?
Hussain-Alqatari's user avatar
2 votes
1 answer
602 views

How can one manually calculate the date conversion to the Hebrew calendar

There already are algorithms that can be used to concert a date from different calendars into the Julian Day Number (JDN) and a JDN into the Hebrew calendar. But how can one calculate the conversion ...
Martin Handrlica's user avatar
2 votes
3 answers
122 views

Is there any fast way to get the number of a certain day in a week

I'm realy sorry, if this question is a bit stupid... But this is my first time on mathematics stackexchange. Do you guys now for example, how to know the number of monday in a year?
Madou's user avatar
  • 23